5.Shown below is a portion of a computer output for regression analysis relating y (dependent variable) and x (independent variable).

	ANOVA
		df	SS
	Regression	1	882
	Residual	20	4000
	Total	21	4882
		Coefficients	Standard Error	t Stat
	Intercept	5.00	3.56
	Variable x	6.30	3.00

a.	What has been the sample size for the above?
b.	Perform a t-test and determine whether or not x and y are related. Usea= 0.05.
c.	Perform an F-test and determine whether or not x and y are related. Usea= 0.05.
d.	Compute the coefficient of determination.
e.	Interpret the meaning of the value of the coefficient of determination that you found in d. Be very specific.